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Problem Report 1596 Details

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This page provides all information on Problem Report 1596.

Report 1596 Actions

    Problem Report Number 1596
    Submitter's Classification Specification problem
    State Resolved
    Resolution Permanent Interpretation (PIN)
    Problem Resolution ID PIN.X.0153
    Raised 1996-03-06 08:00
    Updated 2003-03-13 08:00
    Published 1996-03-18 08:00
    Product Standard Internationalised System Calls and Libraries Extended (UNIX 95)
    Certification Program The Open Brand certification program
    Test Suite VSU version 4.1.0
    Test Identification CAPI.os/ioprim/select 8
    Specification System Interfaces and Libraries Issue 4 Version 2
    Location in Spec See Problem Text
    Linked Problem Reports PIN4U.00010, (in, old, system)
    Problem Summary PIN4U.00019 The test may fail on implementations where select() returns EINVAL when nfds is set to FD_SETSIZE.
    Problem Text
    The test may fail on implementations where select() returns EINVAL
    when nfds is set to FD_SETSIZE.

    The call to select() is failing because the nfds argument is
    FD_SETSIZE. Per PIN4U.00010 it has been established that the maximum
    value nfds can be is FD_SETSIZE, as the test suite is testing, instead
    of FD_SETSIZE-1 as the ERRORS section states.
    Test Output
    10|1597 /tset/CAPIbase/fselect/fselect8 09:33:40|TC Start, scenario ref 111-1815
    15|1597 1.10 1|TCM Start
    400|1597 8 1 09:33:41|IC Start
    200|1597 1 09:33:41|TP Start
    520|1597 1 34144268 1 1|SPEC1170TESTSUITE CASE 8
    520|1597 1 34144268 1 2|A call to int select(int nfds, fd_set *readfds, fd_set
    520|1597 1 34144268 1 3|*writefds, fd_set *exceptfds, const struct timeval
    520|1597 1 34144268 1 4|*timeout) shall support a timeout interval of at least
    520|1597 1 34144268 1 5|31 days.
    520|1597 1 86179861 1 1|PREP: Create file
    520|1597 1 86179861 1 2|TEST: select accepts 31 day timeout
    520|1597 1 86179861 1 3|ERROR: 31 day timeout not accepted
    220|1597 1 1 09:33:41|FAIL
    410|1597 8 1 09:33:42|IC End
    80|1597 0 09:33:42|TC End

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    A permanent interpretation is recommended.

    When calling select(FD_SETSIZE, ...) there are indeed FD_SETSIZE
    file descriptors, namely, 0 through (FD_SETSIZE -1).

    As in PIN4U.00010, the ERRORS section is incorrect when it requires
    ndfs to be in error when set to FD_SETSIZE. It should only be in
    error if ndfs is greater than FD_SETSIZE.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Permanent Interpretation (PIN)
    Review Conclusion
    A Permanent Interpretation is granted.

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